package com.xin.di.uav.applet.thread;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

@Slf4j
@Configuration
@EnableAsync
public class MhThreadPoolConfig {
    @Value("${async.thread.core_pool_size}")
    private int corePoolSize;
    @Value("${async.thread.max_pool_size}")
    private int maxPoolSize;
    @Value("${async.thread.queue_capacity}")
    private int queueCapacity;
    @Value("${async.thread.name_prefix}")
    private String namePrefix;


    @Primary
    @Bean(name = "asyncExecutor")
    public Executor asyncExecutor() {
        log.info("start asyncExecutor");
//        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();
        // 核心线程数：线程池创建时候初始化的线程数，超过该线程数后会进入任务队列
        executor.setCorePoolSize(64);
        //配置最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(256);
        //配置队列大小：用来缓冲执行任务的队列
        executor.setQueueCapacity(512);
        // 允许线程的空闲时间60秒：当超过了核心线程之外的线程在空闲时间到达之后会被销毁
        executor.setKeepAliveSeconds(30);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-sys");

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(300);
        executor.setTaskDecorator(new ContextDecorator());

        // 缓冲队列满了之后的拒绝策略：
        //CallerRunsPolicy()：交由调用方线程运行，比如 main 线程。
        //AbortPolicy()：直接抛出异常。
        //DiscardPolicy()：直接丢弃。
        //DiscardOldestPolicy()：丢弃队列中最老的任务。
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }


    @Bean(name = "flowTaskExecutor")
    public Executor flowTaskExecutor() {
        log.info("start asyncExecutor");
//        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();
        // 核心线程数：线程池创建时候初始化的线程数，超过该线程数后会进入任务队列
        executor.setCorePoolSize(corePoolSize);
        //配置最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(maxPoolSize);
        //配置队列大小：用来缓冲执行任务的队列
        executor.setQueueCapacity(queueCapacity);
        // 允许线程的空闲时间60秒：当超过了核心线程之外的线程在空闲时间到达之后会被销毁
        executor.setKeepAliveSeconds(30);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix(namePrefix);

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(300);
        executor.setTaskDecorator(new ContextDecorator());

        // 缓冲队列满了之后的拒绝策略：
        //CallerRunsPolicy()：交由调用方线程运行，比如 main 线程。
        //AbortPolicy()：直接抛出异常。
        //DiscardPolicy()：直接丢弃。
        //DiscardOldestPolicy()：丢弃队列中最老的任务。
//        executor.setRejectedExecutionHandler(disruptorRejectedExecutionHandler);
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }


    @Bean(name = "asyncSchedulerExecutor")
    public Executor asyncSchedulerExecutor() {
        log.info("start asyncScheduler");
//        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();
        // 核心线程数：线程池创建时候初始化的线程数，超过该线程数后会进入任务队列
        executor.setCorePoolSize(32);
        //配置最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(64);
        //配置队列大小：用来缓冲执行任务的队列
        executor.setQueueCapacity(300);
        // 允许线程的空闲时间60秒：当超过了核心线程之外的线程在空闲时间到达之后会被销毁
        executor.setKeepAliveSeconds(30);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("scheduler-mh-");

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(300);
        executor.setTaskDecorator(new ContextDecorator());

        // 缓冲队列满了之后的拒绝策略：
        //CallerRunsPolicy()：交由调用方线程运行，比如 main 线程。
        //AbortPolicy()：直接抛出异常。
        //DiscardPolicy()：直接丢弃。
        //DiscardOldestPolicy()：丢弃队列中最老的任务。
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }

    /**
     * 深度思考流式输出的线程池
     */
    @Bean("thinkStreamPoolExecutor")
    public Executor thinkStreamPoolExecutor() {
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();

        executor.setCorePoolSize(32);         // 核心线程数
        executor.setMaxPoolSize(64);          // 最大线程数
        executor.setQueueCapacity(5);        // 队列容量
        executor.setKeepAliveSeconds(60);     // 空闲线程存活时间
        executor.setThreadNamePrefix("studio-think-stream-pool-thread-"); // 线程名称前缀

        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.AbortPolicy());

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(40);

        executor.initialize();
        return executor;
    }


    @Bean(name = "asyncSchedulerUnitExecutor")
    public Executor asyncSchedulerUnitExecutor() {
        log.info("start asyncSchedulerUnitExecutor");
//        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();
        // 核心线程数：线程池创建时候初始化的线程数，超过该线程数后会进入任务队列
        executor.setCorePoolSize(16);
        //配置最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(64);
        //配置队列大小：用来缓冲执行任务的队列
        executor.setQueueCapacity(300);
        // 允许线程的空闲时间60秒：当超过了核心线程之外的线程在空闲时间到达之后会被销毁
        executor.setKeepAliveSeconds(30);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("scheduler-unit-");

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(300);
        executor.setTaskDecorator(new ContextDecorator());

        // 缓冲队列满了之后的拒绝策略：
        //CallerRunsPolicy()：交由调用方线程运行，比如 main 线程。
        //AbortPolicy()：直接抛出异常。
        //DiscardPolicy()：直接丢弃。
        //DiscardOldestPolicy()：丢弃队列中最老的任务。
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }

    /**
     * 导出文件的线程池
     */
    @Bean("exportPoolExecutor")
    public Executor exportPoolExecutor() {
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();

        executor.setCorePoolSize(4);         // 核心线程数
        executor.setMaxPoolSize(8);          // 最大线程数
        executor.setQueueCapacity(16);        // 队列容量
        executor.setKeepAliveSeconds(60);     // 空闲线程存活时间
        executor.setThreadNamePrefix("export-file-pool-thread-"); // 线程名称前缀

        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.AbortPolicy());

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(40);

        executor.initialize();
        return executor;
    }

    /**
     * 写入运行记录pipe_flow_v2
     *
     * @return
     */
    @Bean(name = "asyncInsertBatchExecutor")
    public Executor asyncInsertBatchExecutor() {
        log.info("start asyncInsertBatchExecutor");
//        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        ThreadPoolTaskExecutor executor = new VisibleThreadPoolTaskExecutor();
        // 核心线程数：线程池创建时候初始化的线程数，超过该线程数后会进入任务队列
        executor.setCorePoolSize(8);
        //配置最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
        executor.setMaxPoolSize(64);
        //配置队列大小：用来缓冲执行任务的队列
        executor.setQueueCapacity(300);
        // 允许线程的空闲时间60秒：当超过了核心线程之外的线程在空闲时间到达之后会被销毁
        executor.setKeepAliveSeconds(30);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("insert-batch-");

        executor.setWaitForTasksToCompleteOnShutdown(true);
        executor.setAwaitTerminationSeconds(300);
        executor.setTaskDecorator(new ContextDecorator());

        // 缓冲队列满了之后的拒绝策略：
        //CallerRunsPolicy()：交由调用方线程运行，比如 main 线程。
        //AbortPolicy()：直接抛出异常。
        //DiscardPolicy()：直接丢弃。
        //DiscardOldestPolicy()：丢弃队列中最老的任务。
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }
}
